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Finding the Fourth Proportional to 266,199,100.40, 399,298,650.60 and 93,674,543.60

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Solution

The fourth proportional to 266,199,100.40, 399,298,650.60 and 93,674,543.60 is: 140,511,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,199,100.40 : 399,298,650.60 = 93,674,543.60 : x
  2. Step 2: Convert to fraction form
    266,199,100.40/399,298,650.60 = 93,674,543.60/x
  3. Step 3: Cross multiply
    266,199,100.40x = 399,298,650.60 × 93,674,543.60
  4. Step 4: Simplify right side
    266,199,100.40x = 37,404,118,855,050,864
  5. Step 5: Solve for x
    x = 37,404,118,855,050,864/266,199,100.40
  6. Step 6: Final answer
    x = 140,511,815.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.